package dataflowScheme.diagram.edit.parts;

import org.eclipse.draw2d.ColorConstants;
import org.eclipse.draw2d.ConnectionAnchor;
import org.eclipse.draw2d.Ellipse;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.RectangleFigure;
import org.eclipse.draw2d.StackLayout;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.gef.ConnectionEditPart;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.EditPolicy;
import org.eclipse.gef.Request;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.editpolicies.LayoutEditPolicy;
import org.eclipse.gef.editpolicies.NonResizableEditPolicy;
import org.eclipse.gef.requests.CreateRequest;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editparts.ShapeNodeEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.EditPolicyRoles;
import org.eclipse.gmf.runtime.draw2d.ui.figures.ConstrainedToolbarLayout;
import org.eclipse.gmf.runtime.draw2d.ui.figures.WrappingLabel;
import org.eclipse.gmf.runtime.gef.ui.figures.DefaultSizeNodeFigure;
import org.eclipse.gmf.runtime.gef.ui.figures.NodeFigure;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.gmf.runtime.notation.View;

import dataflowScheme.ConnectionType;
import dataflowScheme.DataflowSchemePackage;
import dataflowScheme.diagram.customs.ConnectionTypeFigure;
import dataflowScheme.diagram.customs.PortConnectionAnchor;

/**
 * @generated
 */
public class SynchroPort4EditPart extends ShapeNodeEditPart {

	/**
	 * @generated
	 */
	public static final int VISUAL_ID = 2008;

	/**
	 * @generated
	 */
	protected IFigure contentPane;

	/**
	 * @generated
	 */
	protected IFigure primaryShape;

	/**
	 * @generated
	 */
	public SynchroPort4EditPart(View view) {
		super(view);
	}

	/**
	 * @generated
	 */
	protected void createDefaultEditPolicies() {
		super.createDefaultEditPolicies();
		installEditPolicy(
				EditPolicyRoles.SEMANTIC_ROLE,
				new dataflowScheme.diagram.edit.policies.SynchroPort4ItemSemanticEditPolicy());
		installEditPolicy(EditPolicy.LAYOUT_ROLE, createLayoutEditPolicy());
		// XXX need an SCR to runtime to have another abstract superclass that would let children add reasonable editpolicies
		// removeEditPolicy(org.eclipse.gmf.runtime.diagram.ui.editpolicies.EditPolicyRoles.CONNECTION_HANDLES_ROLE);
	}

	/**
	 * @generated
	 */
	protected LayoutEditPolicy createLayoutEditPolicy() {
		LayoutEditPolicy lep = new LayoutEditPolicy() {

			protected EditPolicy createChildEditPolicy(EditPart child) {
				EditPolicy result = child
						.getEditPolicy(EditPolicy.PRIMARY_DRAG_ROLE);
				if (result == null) {
					result = new NonResizableEditPolicy();
				}
				return result;
			}

			protected Command getMoveChildrenCommand(Request request) {
				return null;
			}

			protected Command getCreateCommand(CreateRequest request) {
				return null;
			}
		};
		return lep;
	}

	/**
	 * @generated
	 */
	protected IFigure createNodeShape() {
		PortFigure figure = new PortFigure();
		return primaryShape = figure;
	}

	/**
	 * @generated
	 */
	public PortFigure getPrimaryShape() {
		return (PortFigure) primaryShape;
	}

	/**
	 * @generated
	 */
	protected boolean addFixedChild(EditPart childEditPart) {
		if (childEditPart instanceof dataflowScheme.diagram.edit.parts.SynchroPortName4EditPart) {
			((dataflowScheme.diagram.edit.parts.SynchroPortName4EditPart) childEditPart)
					.setLabel(getPrimaryShape().getFigurePortNameFigure());
			return true;
		}
		return false;
	}

	/**
	 * @generated
	 */
	protected boolean removeFixedChild(EditPart childEditPart) {

		return false;
	}

	/**
	 * @generated
	 */
	protected void addChildVisual(EditPart childEditPart, int index) {
		if (addFixedChild(childEditPart)) {
			return;
		}
		super.addChildVisual(childEditPart, -1);
	}

	/**
	 * @generated
	 */
	protected void removeChildVisual(EditPart childEditPart) {
		if (removeFixedChild(childEditPart)) {
			return;
		}
		super.removeChildVisual(childEditPart);
	}

	/**
	 * @generated
	 */
	protected IFigure getContentPaneFor(IGraphicalEditPart editPart) {

		return super.getContentPaneFor(editPart);
	}

	/**
	 * @generated NOT
	 */
	protected NodeFigure createNodePlate() {
		DefaultSizeNodeFigure result = new DefaultSizeNodeFigure(getMapMode()
				.DPtoLP(20), getMapMode().DPtoLP(20));
		return result;
	}

	/**
	 * Creates figure for this edit part.
	 * 
	 * Body of this method does not depend on settings in generation model
	 * so you may safely remove <i>generated</i> tag and modify it.
	 * 
	 * @generated
	 */
	protected NodeFigure createNodeFigure() {
		NodeFigure figure = createNodePlate();
		figure.setLayoutManager(new StackLayout());
		IFigure shape = createNodeShape();
		figure.add(shape);
		contentPane = setupContentPane(shape);
		return figure;
	}

	/**
	 * Default implementation treats passed figure as content pane.
	 * Respects layout one may have set for generated figure.
	 * @param nodeShape instance of generated figure class
	 * @generated
	 */
	protected IFigure setupContentPane(IFigure nodeShape) {
		if (nodeShape.getLayoutManager() == null) {
			ConstrainedToolbarLayout layout = new ConstrainedToolbarLayout();
			layout.setSpacing(getMapMode().DPtoLP(5));
			nodeShape.setLayoutManager(layout);
		}
		return nodeShape; // use nodeShape itself as contentPane
	}

	/**
	 * @generated
	 */
	public IFigure getContentPane() {
		if (contentPane != null) {
			return contentPane;
		}
		return super.getContentPane();
	}

	/**
	 * @generated
	 */
	public EditPart getPrimaryChildEditPart() {
		return getChildBySemanticHint(dataflowScheme.diagram.part.ModelVisualIDRegistry
				.getType(dataflowScheme.diagram.edit.parts.SynchroPortName4EditPart.VISUAL_ID));
	}

	/**
	 * @generated NOT
	 */
	public class PortFigure extends RectangleFigure implements
		ConnectionTypeFigure {

		/**
		 * @generated
		 */
		private WrappingLabel fFigurePortNameFigure;
		/**
		 * @generated
		 */
		private RectangleFigure fFigurePortOrientation;

		private Ellipse fFigureEllipsePortMark;
		/**
		 * @generated
		 */
		public PortFigure() {

			dataflowScheme.diagram.customs.HorizontalStackLayout layoutThis = new dataflowScheme.diagram.customs.HorizontalStackLayout();

			this.setLayoutManager(layoutThis);

			createContents();
		}

		/**
		 * @generated NOT
		 */
		private void createContents() {

			fFigurePortNameFigure = new WrappingLabel();
			fFigurePortNameFigure.setText("<...>");

			this.add(fFigurePortNameFigure);

			fFigureEllipsePortMark = new Ellipse();
			fFigureEllipsePortMark.setBackgroundColor(ColorConstants.black);
			fFigureEllipsePortMark.setForegroundColor(ColorConstants.white);
			this.add(fFigureEllipsePortMark);

		}

		/**
		 * @generated
		 */
		private boolean myUseLocalCoordinates = false;

		/**
		 * @generated
		 */
		protected boolean useLocalCoordinates() {
			return myUseLocalCoordinates;
		}

		/**
		 * @generated
		 */
		protected void setUseLocalCoordinates(boolean useLocalCoordinates) {
			myUseLocalCoordinates = useLocalCoordinates;
		}

		/**
		 * @generated
		 */
		public WrappingLabel getFigurePortNameFigure() {
			return fFigurePortNameFigure;
		}

		/**
		 * @generated
		 */
		public RectangleFigure getFigurePortOrientation() {
			return fFigurePortOrientation;
		}
		
		public String getConnectionType() {
			Node node = (Node) SynchroPort4EditPart.this.getModel();
			EStructuralFeature feature = DataflowSchemePackage.eINSTANCE
					.getPort().getEStructuralFeature(
							DataflowSchemePackage.SYNCHRO_PORT__TYPE);

			Object o = node.getElement().eGet(feature);
			if (o instanceof ConnectionType) {
				return ((ConnectionType) o).getName();
			}
			return null;
		}

		public int getPEType() {
			return DataflowSchemePackage.SYNCHRO_CONNECTION;
		}

	}
	
	/**
	 * @generated NOT
	 */
	@Override
	public ConnectionAnchor getSourceConnectionAnchor(ConnectionEditPart arg0) {
		PortConnectionAnchor fixedAnchor = new PortConnectionAnchor(getFigure());
		//        fixedAnchor.offsetH = 120;
		//        fixedAnchor.offsetV = 40;
		//it creates an anchor for source on point 120,40
		return fixedAnchor;
	}

	/**
	 * @generated NOT
	 */
	@Override
	public ConnectionAnchor getSourceConnectionAnchor(Request request) {

		PortConnectionAnchor fixedAnchor = new PortConnectionAnchor(getFigure());
		//        fixedAnchor.offsetH = 120;
		//        fixedAnchor.offsetV = 40;

		return fixedAnchor;

	}

	/**
	 * @generated NOT
	 */
	@Override
	public ConnectionAnchor getTargetConnectionAnchor(ConnectionEditPart arg0) {
		PortConnectionAnchor fixedAnchor = new PortConnectionAnchor(getFigure());
		//        fixedAnchor.offsetH = 0;
		//        fixedAnchor.offsetV = 40;

		return fixedAnchor;
	}

	/**
	 * @generated NOT
	 */
	@Override
	public ConnectionAnchor getTargetConnectionAnchor(Request request) {
		PortConnectionAnchor fixedAnchor = new PortConnectionAnchor(getFigure());
		//        fixedAnchor.offsetH = 0;
		//        fixedAnchor.offsetV = 40;

		return fixedAnchor;
	}

	protected void handleNotificationEvent(Notification event) {
		Object feature = event.getFeature();
		if (feature instanceof EAttribute) {
			EAttribute a = (EAttribute) feature;
			if (DataflowSchemePackage.eINSTANCE.getConnectionType().equals(
					a.getEType())) {
				primaryShape.revalidate();
			}
		}

		super.handleNotificationEvent(event);
	}

}
